-\bibcite{conti2014mobile}{5}
-\bibcite{Deng2012}{6}
-\bibcite{deschinkel2012column}{7}
-\bibcite{idrees2014coverage}{8}
-\bibcite{jaggi2006}{9}
-\bibcite{kim2013maximum}{10}
-\bibcite{Kumar:2005}{11}
-\bibcite{li2013survey}{12}
-\bibcite{ling2009energy}{13}
-\bibcite{pujari2011high}{14}
-\bibcite{Misra}{15}
-\bibcite{Nayak04}{16}
-\bibcite{pc10}{17}
-\bibcite{pedraza2006}{18}
-\bibcite{qu2013distributed}{19}
-\bibcite{raghunathan2002energy}{20}
-\bibcite{rossi2012exact}{21}
-\bibcite{varga}{22}
-\bibcite{chin2007}{23}
-\bibcite{ChinhVu}{24}
-\bibcite{5714480}{25}
-\bibcite{xu2001geography}{26}
-\bibcite{yang2014novel}{27}
-\bibcite{yangnovel}{28}
-\bibcite{Yang2014}{29}
-\bibcite{Zhang05}{30}
-\bibcite{zorbas2010solving}{31}
+\bibstyle{plain}
+\bibdata{Example}
+\bibcite{ref17}{1}
+\bibcite{ref19}{2}
+\bibcite{berman04}{3}
+\bibcite{cardei2005improving}{4}
+\bibcite{cardei2005energy}{5}
+\bibcite{castano2013column}{6}
+\bibcite{conti2014mobile}{7}
+\bibcite{Deng2012}{8}
+\bibcite{deschinkel2012column}{9}
+\bibcite{idrees2014coverage}{10}
+\bibcite{jaggi2006}{11}
+\bibcite{kim2013maximum}{12}
+\bibcite{Kumar:2005}{13}
+\bibcite{li2013survey}{14}
+\bibcite{ling2009energy}{15}
+\bibcite{pujari2011high}{16}
+\bibcite{Misra}{17}
+\bibcite{Nayak04}{18}
+\bibcite{pc10}{19}
+\bibcite{pedraza2006}{20}
+\bibcite{qu2013distributed}{21}
+\bibcite{raghunathan2002energy}{22}
+\bibcite{ref22}{23}
+\bibcite{rossi2012exact}{24}
+\bibcite{varga}{25}
+\bibcite{chin2007}{26}
+\bibcite{ChinhVu}{27}
+\bibcite{5714480}{28}
+\bibcite{xu2001geography}{29}
+\bibcite{yang2014novel}{30}
+\bibcite{yangnovel}{31}
+\bibcite{Yang2014}{32}
+\bibcite{Zhang05}{33}
+\bibcite{zorbas2010solving}{34}